Water Cycle and Carbon Cycle Quiz

What remains constant in each reservoir according to the water cycle?

• The amount of carbon

• The amount of water

• The amount of oxygen

• The amount of nitrogen

How does water return to the ocean in the water cycle?

• Through condensation

• Through precipitation

• Through runoff and rain

• Through sublimation

What happens to the oceans during an ice age?

• They increase in size

• They remain the same

• They dramatically decrease in size

• They become warmer

What can connect previously separated continents during an ice age?

• Rivers

• Land bridges

• Oceans

• Mountains

What is the main cause of changes in today's carbon cycle?

• Natural disasters

• Human actions

• Animal migration

• Solar activity

What are humans adding to the atmosphere according to the carbon cycle illustration?

• Extra oxygen

• Extra nitrogen

• Extra carbon

• Extra hydrogen

What is the result of burning forests and fossil fuels?

• Decrease in atmospheric carbon

• Increase in atmospheric carbon

• No change in atmospheric carbon

• Decrease in atmospheric oxygen

What is the atmospheric math for carbon entering the atmosphere?

• 207

• 200

• 7

• 3

How much extra carbon is put into the atmosphere per year?

• 3

• 4

• 7

• 10

How much carbon is missing according to the atmospheric math?

• 2

• 3

• 4

• 5